How To Measure A Bike Frame In Cm

After all bikes come in all shapes and sizes so learning how to measure for a bike is important to ensure you ride away on the model that s right for you.
How to measure a bike frame in cm. Finding the correct frame size is key to your safety and enjoyment our guide walks you through everything you need to know in order to measure a bike frame. The seat tube is the long tube that the bike seat post sticks into. 51 cm mountain bike. Simply use our vintage bike sizing chart below to find the perfect fit for you.
Imagine your leg inseam is 74cm then the best frame sizes for you are. 49 cm road bike. To measure your bike s frame size take a measuring tape and place the tape in the center bolt of your bike s cranks. Getting the right size bike if you re in the market for a new bike knowing what size bike you need can really come in handy.
Use your inseam measurements to get a starting frame size then go to a local bike shop and test it out. The top tube is parallel to the road giving the frame more stability and support. While not all bicycle frames have a size label it ll save you some work if yours does. Everyone s body is a little different and the proportions of your arms legs and torso might mean you need a different frame to feel comfortable.
Hybrid bike inseam in cm x 0 685 your frame size mountain bike inseam in cm x 0 66 your frame size road bike inseam in cm x 0 70 your frame size. If the size isn t given. The calculation here will give you your bike s frame size. Method 3 bike size chart by height.
Classic bike frame sizes are measured in inches and are available in sweeping open frame style designs in a choice of frame sizes. The instructions below explain how to measure a classic road bike. Test out your suggested frame size before buying. Then test out a size bigger and size smaller.
The frame size is determined by measuring the length of the seat tube in centimeters. If you look near the bottom of this tube about 3 inches 7 6 cm up from the chain sprocket you ll see a glued on label that states the bike s frame size. That s why missy erickson owner and fit specialist at ero sports recommends a pre purchase. Bike frame sizes are measured in the same way for all styles of bicycle.
The classic style road bike frame is most commonly found on road racing touring and commuting bikes. If it is just the frame this will be the center point in the bottom bracket shell. Alternatively use our handy bike frame size calculator at the top of this page to figure out which bike frame size you need. Depending on the kind of bike you ride or want to ride will determine your size along with your riding style.